title: catena-Poly[heptyl-enedi-ammonium [[tetra-chloridobismuthate(III)]-μ-chlorido]].
abstract: The title organic-inorganic hybrid compound, {(C7H20N2)[BiCl5]} n , consists of distorted corner-joined [BiCl6] octa-hedra forming zigzag polymeric anionic chains parallel to [001], separated by columns of heptyl-enedi-ammonium cations. The asymmetric unit contains two crystallographically independent bis-muth metal atoms, one of which lies on an inversion centre and the other on a twofold axis. In the crystal, the polymeric chains and cations are linked by N-H⋯Cl hydrogen bonds, forming undulating layers parallel to (110).
authors.affiliation: Département de Physique-Chimie, Laboratoire de Chimie, Centre Régional des Métiers de l'Education et de la Formation, Souissi Rabat, Morocco ; Equipe de Physico-Chimie des Matériaux Inorganiques, Université Ibn Tofail, Faculté des Sciences, BP 133, 14000 Kénitra, Morocco.
authors.forename: Ali
authors.initials: A
authors.lastname: Ouasri
authors.forename: Ali
authors.initials: A
authors.lastname: Rhandour
authors.forename: Mohamed
authors.initials: M
authors.lastname: Saadi
authors.forename: Lahcen
authors.initials: L
authors.lastname: El Ammari